package com.itheima.config;

import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.type.AnnotatedTypeMetadata;

public class ClassCondition implements Condition {
  //org.springframework.data.redis.core.RedisTemplate 全限定类名
    /*
      根据当前环境中是否有redisTemplate来决定返回的boolean的值
     */
    @Override
    public boolean matches(ConditionContext conditionContext, AnnotatedTypeMetadata annotatedTypeMetadata) {
        boolean flag = true;
        try {
            Class.forName("org.springframework.data.redis.core.RedisTemplate");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            flag = false;
        }
        return flag;
    }
}
